I have a 3/4 ton, but I don't see why the same question wouldn't apply.
Let me start by saying (and this is just my opinion, for what it's worth)
do NOT count on fix-a-flat and/or tire plugs alone, you NEED a spare of at least matching diameter (roll-out is technically what matters, width etc. doesn't). During my Joshua Tree/Mojave trip a month or so back we came across an older couple with a Lexus GX and a flat. They had a full size spare, and my group began preparing to swap it for them (I already had the offending corner jacked up) but it turns out they didn't have their wheel lock key. We put 4-5plugs in the cut (it was a cut, more than a puncture) and the couple had emptied a can or more of fix-a-flat into it, but it was barely holding air. We limped them back to civilization, going .5-1 mile, then stopping to air them back up with my onboard compressor (I'd run ahead, so when I found a good turnout I'd stop, fire up the compressor, and get the line ready to go before they even pulled up... Broverlanding NASCAR style) and only left them once they were on pavement with solid cell signal and AAA on the way. Had we not come along (or another group that would actually stop, apparently some just drove right by before us) they would have ended up driving out on the flat (which was totally doable where they were, but would have tore the tire/rim up and perhaps caused some body damage).
In my experience the flats you get off pavement are rarely, if ever, fixable by fix-a-flat. Even plugs are often not that effective since it always tends to be a gash from a rock or piece of root or something more than a pure "puncture" like you'd get from a nail or screw around town. A spare is a must.
My solution is a RIG'd tire swing. I really, really like it. High quality stuff and it also gives me quick access to a table (a must for Broverlanding), a place for my trash bag and chainsaw, and a place for a water jug for a quick-access hand/dish wash station. Yes, it's one more step to get into the Fourwheel Camper, but it's like 10 seconds to open the thing, NBD.
View attachment 229618
View attachment 229617
View attachment 229619
-TJ